A nurse in an acute mental health unit is admitting a client who has bipolar disorder. Which of the following findings supports the admitting diagnosis of acute mania?

Choice A reason: Disorganized, rapid, or pressured speech is a hallmark symptom of acute mania and reflects flight of ideas. Choice B reason: Recent weight gain may relate to medication side effects or other conditions, not mania specifically. Choice C reason: Hearing voices is a hallucination, which suggests psychosis or schizophrenia, not acute mania. Choice D reason: Wearing all black may indicate a personal preference, not a diagnostic feature of mania.